- All sections
- B - Performing operations; transporting
- B41J - Typewriters; selective printing mechanisms, i.e. mechanisms printing otherwise than from a forme; correction of typographical errors
- B41J 2/175 - Ink supply systems
Patent holdings for IPC class B41J 2/175
Total number of patents in this class: 8337
10-year publication summary
|
542
|
588
|
631
|
746
|
749
|
764
|
827
|
672
|
532
|
97
|
| 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hewlett-Packard Development Company, L.P. | 29764 |
1829 |
| Seiko Epson Corporation | 19227 |
1513 |
| Brother Industries, Ltd. | 13288 |
1021 |
| Canon Inc. | 36837 |
642 |
| Ricoh Company, Ltd. | 14097 |
274 |
| Memjet Technology Ltd. | 876 |
229 |
| Brother Kogyo Kabushikikaisha | 1657 |
144 |
| Xerox Corporation | 6818 |
143 |
| Funai Electric Co., Ltd. | 946 |
105 |
| Zhuhai Ninestar Management Co., Ltd. | 127 |
82 |
| Mimaki Engineering Co., Ltd. | 801 |
78 |
| Konica Minolta, Inc. | 8207 |
75 |
| Kyocera Document Solutions Inc. | 5750 |
69 |
| Riso Kagaku Corporation | 704 |
66 |
| Videojet Technologies Inc. | 354 |
66 |
| FUJIFILM Corporation | 25767 |
61 |
| Canon Kabushiki Kaisha | 6680 |
60 |
| Toshiba TEC Corporation | 3910 |
59 |
| Eastman Kodak Company | 4130 |
50 |
| Lexmark International, Inc. | 1974 |
44 |
| Other owners | 1727 |